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Alex
3 years ago
12

Fletcher got 92 votes in the class election. 115 people voted. What percent of all the votes did he get?

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
5 0

Answer:

92 people voted for him out of 115, then he got \frac{92}{115} = \frac{4}{5} = 0.80= 80%

For those who didn't vote for him , the equation could be written:

Step-by-step explanation:

100% - 80% =20% (or 20% of 115 = 23 persons)

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3 years ago
ABC is dilated using a scale factor of 2.5. Which property does not change?
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2 years ago
Ms.Wright opens a savings account with a deposit of $800. The bank will pay her 3% interest per year A.) how much interest will
Norma-Jean [14]

A) Ms.Wright receive $12 as interest at the end of 1/2 year.

B)  Ms.Wright receive $24 as interest at the end of 1 year.

Step-by-step explanation:

The sum deposited in the bank = Principle  = $800

The rate of simple interest  = 3%

The time = 6 months  = (6/12) years   =  0.5 years

\textrm{SIMPLE INTEREST} =  \frac{P \times R \times t}{100} \\\implies SI  = \frac{800 \times 3 \times 0.5}{100}  = 12

So, here simple interest = $12.

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3 years ago
1) After a dilation, (-60, 15) is the image of (-12, 3). What are the coordinates of the image of (-2,-7) after the same dilatio
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Answer:

a) k = 5; (-10, -35)

Step-by-step explanation:

Given:

Co-ordinates:

Pre-Image = (-12,3)

After dilation

Image = (-60,15)

The dilation about the origin can be given as :

Pre-Image(x,y)\rightarrow Image(kx,ky)

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We can find value of k for the given co-ordinates by finding the ratio of x or y co-ordinates of the image and pre-image.

k=\frac{Image}{Pre-Image}

For the given co-ordinates.

Pre-Image = (-12,3)

Image = (-60,15)

The value of k=\frac{-60}{-12}=5

or k=\frac{15}{3}=5

As we get k=5 for both ratios i.e of x and  y co-ordinates, so we can say the image has been dilated by a factor of 5 about the origin.

To find the image of (-2,-7), after same dilation, we will multiply the co-ordinates with the scalar factor.

Pre-Image(-2,-7)\rightarrow Image((-2\times5),(-7\times 5))

Pre-Image(-2,-7)\rightarrow Image(-10,-35) (Answer)

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